Jim Carver / Mbed OS mbed-cloud-workshop-connect-HTS221

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Dependencies:   HTS221

simple-mbed-cloud-client/pal_plat_rot_insecure.cpp@1:521604503e81, 2018-10-19 (annotated)

Committer:
JimCarver
Date:
Fri Oct 19 02:01:38 2018 +0000
Revision:
1:521604503e81
Parent:
0:6b753f761943 
bug fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JimCarver 0:6b753f761943 1 // ----------------------------------------------------------------------------
JimCarver 0:6b753f761943 2 // Copyright 2016-2018 ARM Ltd.
JimCarver 0:6b753f761943 3 //
JimCarver 0:6b753f761943 4 // SPDX-License-Identifier: Apache-2.0
JimCarver 0:6b753f761943 5 //
JimCarver 0:6b753f761943 6 // Licensed under the Apache License, Version 2.0 (the "License");
JimCarver 0:6b753f761943 7 // you may not use this file except in compliance with the License.
JimCarver 0:6b753f761943 8 // You may obtain a copy of the License at
JimCarver 0:6b753f761943 9 //
JimCarver 0:6b753f761943 10 // http://www.apache.org/licenses/LICENSE-2.0
JimCarver 0:6b753f761943 11 //
JimCarver 0:6b753f761943 12 // Unless required by applicable law or agreed to in writing, software
JimCarver 0:6b753f761943 13 // distributed under the License is distributed on an "AS IS" BASIS,
JimCarver 0:6b753f761943 14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JimCarver 0:6b753f761943 15 // See the License for the specific language governing permissions and
JimCarver 0:6b753f761943 16 // limitations under the License.
JimCarver 0:6b753f761943 17 // ----------------------------------------------------------------------------
JimCarver 0:6b753f761943 18
JimCarver 0:6b753f761943 19 #include "pal_plat_rtos.h"
JimCarver 0:6b753f761943 20
JimCarver 0:6b753f761943 21 #define PAL_DEVICE_KEY_SIZE_IN_BYTES 16
JimCarver 0:6b753f761943 22
JimCarver 0:6b753f761943 23 //THIS CODE IS FOR TESTING PURPOSES ONLY. DO NOT USE IN PRODUCTION ENVIRONMENTS. REPLACE WITH A PROPER IMPLEMENTATION BEFORE USE
JimCarver 0:6b753f761943 24 palStatus_t __attribute__((weak)) pal_plat_osGetRoT128Bit(uint8_t *keyBuf, size_t keyLenBytes)
JimCarver 0:6b753f761943 25 {
JimCarver 0:6b753f761943 26 #if defined (__CC_ARM) /* ARM compiler. */
JimCarver 0:6b753f761943 27 #warning("PAL_INSECURE- You are using insecure Root Of Trust implementation, DO NOT USE IN PRODUCTION ENVIRONMENTS. REPLACE WITH A PROPER IMPLEMENTATION BEFORE USE")
JimCarver 0:6b753f761943 28 #else
JimCarver 0:6b753f761943 29 #pragma message ("You are using insecure Root Of Trust implementation, DO NOT USE IN PRODUCTION ENVIRONMENTS. REPLACE WITH A PROPER IMPLEMENTATION BEFORE USE")
JimCarver 0:6b753f761943 30 #endif
JimCarver 0:6b753f761943 31 static bool runOnce = true;
JimCarver 0:6b753f761943 32 if (runOnce) {
JimCarver 0:6b753f761943 33
JimCarver 0:6b753f761943 34 PAL_LOG(WARN, "You are using insecure Root Of Trust implementation");
JimCarver 0:6b753f761943 35 runOnce = false;
JimCarver 0:6b753f761943 36 }
JimCarver 0:6b753f761943 37
JimCarver 0:6b753f761943 38 if (keyLenBytes < PAL_DEVICE_KEY_SIZE_IN_BYTES) {
JimCarver 0:6b753f761943 39 return PAL_ERR_BUFFER_TOO_SMALL;
JimCarver 0:6b753f761943 40 }
JimCarver 0:6b753f761943 41
JimCarver 0:6b753f761943 42 if (NULL == keyBuf) {
JimCarver 0:6b753f761943 43 return PAL_ERR_NULL_POINTER;
JimCarver 0:6b753f761943 44 }
JimCarver 0:6b753f761943 45
JimCarver 0:6b753f761943 46 for (int i=0; i < PAL_DEVICE_KEY_SIZE_IN_BYTES; i++) {
JimCarver 0:6b753f761943 47 keyBuf[i] = i;
JimCarver 0:6b753f761943 48 }
JimCarver 0:6b753f761943 49
JimCarver 0:6b753f761943 50 return PAL_SUCCESS;
JimCarver 0:6b753f761943 51 }
JimCarver 0:6b753f761943 52